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Accession number 2007.66
Object ID 2007.66.20
Object Name Semaphore, Marker Light
Collection Object/Artifact Collection
Date ca. 1930-1940
Description Marker Light Semaphore from R1/9 Subway Car, with 3 colored glass circular lenses-- yellow, green, red in swivel frame. Metal handles of each lense colored to match lens --red, green, yellow -- all handles cast with manufacturer's mark, "ADLAKE." Each lense marked (raised letters in glass) "KOPP GLASS" and "4 1/4" (for glass diam.)
Manufacturer Adlake
Maker Adlake
Maker's Role Manufacturer
Dimension Details closed: 14-in OL x 4-in. OW x 3-in OD
lenses fanned out, as in photo: 14-in OL x 10-in. OW x 3-in. OD
Number of images 2.0